2006-01-10 Kaz Kojima * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE when MODE isn't BLKmode. 2006-01-10 Eric Botcazou PR rtl-optimization/25367 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro. 2006-01-10 Hans-Peter Nilsson PR target/25718 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes for a negative bound. 2006-01-10 Richard Guenther * tree-ssa-structalias.c (get_constraint_for_component_ref): Never override with anything constraint. 2006-01-10 Jan Beulich * config/i386/i386.c (ix86_data_alignment): Don't force alignment to 256 bits when optimize_size. 2006-01-10 Jan Beulich * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include MASK_ALIGN_DOUBLE. * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option. * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr arguments. 2006-01-10 Ben Elliston * config/rs6000/predicates.md (easy_fp_constant): Discount decimal float modes. * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New. (TARGET_SCALAR_MODE_SUPPORTED_P): Define. (USE_FP_FOR_ARG): Reject decimal float modes. (function_arg_advance): Likewise. (output_toc): Handle emitting TDmode, DDmode and SDmode constants. (rs6000_handle_altivec_attribute): Do not permit decimal floating point types in AltiVec vectors. (rs6000_function_value): Use GP_ARG_RETURN for decimal floats. (rs6000_libcall_value): Likewise. 2006-01-09 Bob Wilson * config/xtensa/ieee754-df.S: New file. * config/xtensa/ieee754-sf.S: New file. * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c. (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions. * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S. 2006-01-09 Kazu Hirata * config/sh/predicates.md (binary_float_operator, binary_logical_operator, commutative_float_operator, equality_comparison_operator, greater_comparison_operator, less_comparison_operator, logical_operator, noncommutative_float_operator, shift_operator, symbol_ref_operand, unary_float_operator): Remove redundant conditionals. 2006-01-09 Jeff Law * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove code to propagate the RHS of a cast into COND_EXPR_COND. Remove now unused arguments. Callers updated. (eliminate_redundant_computations): Remove now unused arguments, callers updated. (local_fold): Remove, no longer used. (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c and moved to... * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here. (simplify_cond): New function. (forward_propagate_into_cond): Call simplify_cond. 2006-01-09 Alexandre Oliva * config/i386/sse.md (*vec_extractv2di_1_sse2): New. (*vec_extractv2di_1_sse): New. 2006-01-09 Ben Elliston * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix. 2006-01-08 Richard Guenther * tree-ssa-structalias.c (get_constraint_for): Remove anyoffset argument. (get_constraint_for_component_ref): Likewise. (do_deref): Likewise. (get_constraint_for): Likewise. (do_structure_copy): Likewise. (handle_ptr_arith): Likewise. (find_func_aliases): Likewise. Remove unused need_anyoffset variable. 2006-01-08 J"orn Rennecke Kaz Kojima * config/sh/sh.h (CONST_OK_FOR_K16): Define. (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case. (EXTRA_CONSTRAINT_C16): Remove. (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define. (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases. * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic constants of SHmedia. Handle nested constant expressions of SHmedia correctly. (andcosts): Fix the costs for SHmedia constants. (sh_rtx_costs): Take account of outer_code for SHmedia constants. * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16. (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise. (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise. (movv4hi_i, movv2si_i): Likewise. (movsi_const): Adjust the second operand of ior so to match with the Csu constraint. (movdi_const, movdi_const_32bit): Likewise. (movdi_const_16bit+1): Don't sign-extend LOW. (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate step. (*double_shori): Fix the split condition. Use GEN_INT instead of get_int_mode calls. Mask lower 16-bit of the argument of the last GEN_INT. (sym2GOTPLT): Remove. (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and gen_rtx_UNSPEC. * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css instead of EXTRA_CONSTRAINT_C16. 2006-01-07 Ian Lance Taylor David Edelsohn PR rtl-optimization/25662 * optabs.c (simplify_expand_binop): Use simplify_binary_operation for constant operands instead of simplify_gen_binary. * simplify-rtx.c (simplify_gen_binary): Swap commutative operands after trying simplify_binary_operation 2006-01-06 Daniel Berlin * tree.c (iterative_hash_expr): Hash decls based on UID. 2006-01-06 Eric Christopher * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document. (TARGET_UNWIND_EMIT): Fix spelling. * target.h (gcc_target): Add except_table_label. * except.c (output_function_exception_table): Use. * varasm.c (default_emit_except_table_label): New. * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default define. (asm_out): Add here. * output.h (default_emit_except_table_label): Prototype. * config/darwin-protos.h (darwin_emit_except_table_label): Ditto. * config/darwin.c (darwin_emit_except_table_label): Define. * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto. 2006-01-06 Zdenek Dvorak PR tree-optimization/18527 * tree-ssa-loop-niter.c (number_of_iterations_cond, number_of_iterations_special, number_of_iterations_exit): Move base and step of an iv to a single structure. Add no_overflow flag, and use it in # of iterations analysis. * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add folded_casts argument. (simple_iv): Pass base and step in a structure. Set no_overflow flag. (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop. Evaluate expensiveness of computing # of iterations instead of the final expression. * tree-scalar-evolution.h (affine_iv): New structure. (simple_iv): Declaration changed. * tree-chrec.c (chrec_apply): Handle chrecs containing symbols. * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev, find_givs_in_stmt): Changed due to simple_iv change. 2006-01-06 Jeff Law PR ada/24994 * tree-cfg.c (bsi_replace): Rename final argument from PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last change (stmt -> orig_stmt). * tree-eh.c (verify_eh_throw_stmt_node): New function. (bsi_remove): Add new argument. Remove EH information if requested. (verify_eh_throw_table_statements): New function. (bsi_remove): Add new argument REMOVE_EH_INFO. All callers updated. * tree-optimize.c (execute_free_cfg_annotations): Verify the EH throw statement table after removing annotations. * except.h (verify_eh_throw_table_statements): Prototype. * tree-flow.h (bsi_remove): Update prototype. * tree-vrp.c (remove_range_assertions): Add new argument to bsi_remove call. * tree-ssa-loop-im.c (move_computations_stmt): Likewise. * tree-complex.c (expand_complex_div_wide): Likewise. * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise * tree-tailcall.c (eliminate_tailcall): Likewise. * tree-ssa-dse.c (dse_optimize_stmt): Likewise. * tree-ssa-loop-ivopts.c (remove_statement): Likewise. * tree-nrv.c (tree_nrv): Likewise. * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise. * tree-if-conv.c (tree_if_convert_cond_expr): Likewise. (combine_blocks): Likewise. * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise. * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise. (cleanup_control_flow): Likewise. (remove_forwarder_block): Likewise. * tree-ssa-pre.c (remove_dead_inserted_code): Likewise. * tree-sra.c (sra_replace): Likewise. * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise. (forward_propagate_single_use_vars): Likewise. * tree-ssa-dce.c (remove_dead_stmt): Likewise. * tree-inline.c (expand_call_inline): Likewise. * tree-vect-transform.c (vect_transform_loop): Likewise. * tree-outof-ssa.c (rewrite_trees): Likewise. * tree-cfg.c (make_goto_expr_edges): Likewise. (cleanup_dead_labels): Likewise. (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise. (bsi_move_before, bsi_move_after): Likewise. (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise (tree_redirect_edge_and_branch, tree_split_block): Likewise. 2006-01-06 Andrew Pinski PR tree-opt/25528 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR and IMAGPART_EXPR. * tree-flow-inline.h (var_can_have_subvars): Handle complex types on non gimple variables. Also add checks at the top for decls and mtags. * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle complex types. * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR and IMAGPART_EXPR for creating MUST_DEFs. (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG, and NAME_MEMORY_TAG separately from the DECLs. 2006-01-06 Richard Guenther * tree-dfa.c (mark_new_vars_to_rename): Create stmt annotation, if necessary. * tree-ssa-pre.c (create_expression_by_pieces): Remove redundant calls to update_stmt. * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Likewise. 2006-01-05 Richard Henderson * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA. 2006-01-05 Carlos O'Donell * c-typeck.c: Update copyright date. 2006-01-05 Carlos O'Donell * c-typeck.c (build_c_cast): Always warn when casting from a pointer to an integer of different size, even if the node was constant. 2006-01-05 Richard Guenther PR tree-optimization/22555 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up, if one structure field is an array. * tree-ssa-operands.c (get_expr_operands): Continue scanning operands even if we found a subvar, but ignore VOPs in this case. * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt for renaming. * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa. 2006-01-05 Richard Earnshaw PR middle-end/24998 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define. 2006-01-05 Richard Guenther Diego Novillo * tree-pass.h (TODO_remove_unused_locals): Define. * gimple-low.c (expand_var_p, remove_useless_vars, pass_remove_useless_vars): Remove. Update all users. * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names. (remove_unused_locals): New function. * tree-flow.h (remove_unused_locals): Declare. * passes.c (execute_todo): Call remove_unused_locals if TODO_remove_unused_locals is set. * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals. * tree-ssa-dce.c (pass_dce): Likewise. * tree-outof-ssa.c (pass_del_ssa): Likewise. 2006-01-05 Richard Guenther * tree-flow.h (struct fieldoff): Decompose field to type, size and decl. * tree-ssa-alias.c (create_sft): Take type as parameter. (create_overlap_variables_for): Store type, size and decl in the fieldoff structure. * tree-ssa-structalias.c (fieldoff_compare): Adjust users of struct fieldoff. (push_fields_onto_fieldstack): Likewise. (create_variable_info_for): Likewise. Use offset for the SFT name if the decl is not available. 2006-01-04 Paul Brook * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr. 2006-01-04 Daniel Berlin * lambda-code.c (can_put_in_inner_loop): Relax restrictions. (can_put_after_inner_loop): New function. (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well. (perfect_nestify): Change to make copies and modify uses. 2006-01-04 Richard Henderson Merge from gomp branch: * c-lex.c (c_lex_with_flags) : Smuggle pragma id via integer constant. (pragma_lex): Remove. * c-pch.c (c_common_pch_pragma): Accept the name as an argument, rather than parsing it. * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname, handle_pragma_extern_prefix): Add %< %> quotes. (registered_pragmas): New. (c_register_pragma_1): New. (c_register_pragma): Use it. (c_register_pragma_with_expansion): Likewise. (c_invoke_pragma_handler): New. (init_pragma): Use cpp_register_deferred_pragma directly for pch_preprocess. * c-pragma.h (enum pragma_kind): New. (pragma_handler): New. (c_invoke_pragma_handler): Declare. * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and CPP_PRAGMA_EOL. * c-common.h (c_common_pch_pragma): Update decl. * Makefile.in (c-parser.o): Update dependencies. (GTFILES): Add c-pragma.h. * c-parser.c (struct c_token): Add pragma_kind. (struct c_parser): Add in_pragma. (c_lex_one_token): Always initialize keyword and pragma_kind. Extract data for CPP_PRAGMA. (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL. (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors. Don't allow CPP_PRAGMA_EOL if in_pragma. (c_parser_consume_pragma): New. (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL. (c_parser_skip_to_end_of_parameter): Likewise. (c_parser_skip_to_end_of_block_or_statement): Likewise. (c_parser_skip_to_pragma_eol): New. (c_parser_external_declaration): Handle CPP_PRAGMA. (c_parser_compound_statement_nostart): Likewise. (c_parser_statement_after_labels): Likewise. (c_parser_pragma): New. (pragma_lex): Likewise. (c_parser_pragma_pch_preprocess): New. (c_parser_new): Merge into ... (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess. 2006-01-04 Jeff Law PR ada/24994 * tree-cfg.c (bsi_replace): Remove the original statement from the EH throw statement table. 2006-01-04 Jakub Jelinek * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus, make the prototype extern "C" and add throw (). PR target/25554 * config/i386/i386.md (testqi_ext_3): Ensure len is positive and pos non-negative and pos + len <= 32. (testqi_ext_3_rex64): Ensure len is positive and pos non-negative, drop pos + len < HOST_BITS_PER_WIDE_INT test. (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT. PR c/25559 * c-common.c (handle_vector_size_attribute): Reject zero vector size as well as sizes not multiple of component size. PR debug/25562 * function.c (instantiate_expr): New function. (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P, walk its DECL_VALUE_EXPR with instantiate_expr. * dwarf2out.c (loc_descriptor_from_tree_1): Don't add DW_OP_deref{,_size} if address isn't going to be added. 2006-01-04 Ben Elliston * config/fp-bit.h: Use top-of-file comment from libgcc2.c. * config/fp-bit.c: Likewise. 2006-01-03 Daniel Berlin * dominance.c: Add comment about why we use DFS numbering of dominance tree. 2006-01-03 Jakub Jelinek Richard Henderson Merge from gomp-branch: * varasm.c (assemble_variable): Handle thread-local COMMON data. * defaults.h (ASM_OUTPUT_TLS_COMMON): Define. 2006-01-03 Paolo Bonzini PR rtl-optimization/25578 * combine.c (combine_simplify_rtx, force_to_mode): Don't pass a parameter to simplify_shift_const if changing ASHIFTRT to LSHIFTRT. 2006-01-03 Adrian Straetling * gcc/builtins.c (get_builtin_sync_mem): New function. (expand_builtin_sync_operation, expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set, expand_builtin_lock_release): Call get_builtin_sync_mem to generate mem rtx. 2006-01-03 Richard Guenther PR c/25183 * stmt.c (add_case_node): Make sure to clear overflow flags from ranges. 2006-01-03 Jakub Jelinek Merge from gomp-branch. * config/sparc/sync.md: New file. * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP, UNSPECV_LDSTUB): New constants. * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function. * config/sparc/predicates.md (memory_reg_operand): New predicate. * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New prototype. 2006-01-03 Roger Sayle * combine.c (reg_subword_p): New predicate to test whether the destination of a set refers to a subword/piece of a register. (try_combine): Generalize the code to merge the setting of a pseudo to a constant followed by a set of a subword of that register to a constant. 2006-01-03 Kazu Hirata * basic-block.h (control_flow_graph): Change the type of x_label_to_block_map to VEC(basic_block,gc) *. * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn, set_bb_for_stmt): Adjust the uses of x_label_to_block_map. * tree-ssa-propagate.c (cfg_blocks): Change the type to VEC(basic_block,heap) *. (cfg_blocks_add, cfg_blocks_get, ssa_prop_init, ssa_prop_fini): Adjust the uses of cfg_blocks. 2006-01-03 Steven Bosscher * fold-const.c (operand_equal_p): Accept a NULL operand 0 for COMPONENT_REFs. * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for hashing trees instead of a pointer hash. (mem_attrs_htab_eq): Do a deep compare instead of a pointer compare for MEM_EXPR. PR rtl-optimization/25130 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET when comparing MEMs for GCSE 2006-01-03 Ben Elliston * targhooks.h (default_decimal_float_supported_p): Declare. * targhooks.c (default_decimal_float_supported_p): Define. * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to `default_decimal_float_supported_p'. * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update. 2006-01-02 Adam Nemet * combine.c (apply_distributive_law ): Check TRULY_NOOP_TRUNCATION. 2006-01-02 Geoffrey Keating * dwarf2out.c (have_switched_text_section): Delete. (have_multiple_function_sections): New. (have_location_lists): Make 'bool'. (add_AT_loc_list): Use 'true' not '1'. (dwarf2out_switch_text_section): Set have_multiple_function_sections. (output_loc_list): Use have_multiple_function_sections. (output_ranges): Likewise. (dwarf2out_begin_function): Set have_multiple_function_sections if necessary. (dwarf2out_source_line): Don't fake separate_line_info_table_in_use. Check function_section rather than DECL_SECTION_NAME. (dwarf2out_finish): Use have_multiple_function_sections. Don't clear have_location_lists. 2006-01-02 Eric Botcazou Jan Hubicka * cfglayout.c (fixup_reorder_chain): Remove kludge for the case of conditional jump jumping to the next instruction. * cfgrtl.c (force_nonfallthru_and_redirect): Accept all cases of conditional jump jumping to the next instruction. 2006-01-02 Jan Hubicka * i386.c (*_cost): Add COSTS_N_INSNS. (ix86_rtx_costs): Do not use COSTS_N_INSNS. 2006-01-02 Paolo Bonzini PR target/25259 * Makefile.in (DECNUMINC): Include libdecnumber's build directory. 2006-01-02 Volker Reichelt * config/arm/arm.c (all_fpus): Fix comment typo. * config/darwin.c: Likewise. * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise. * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise. * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise. 2006-01-01 David Edelsohn * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New. (rs6000_split_compare_and_swapqhi): New. * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New. (sync_compare_and_swapqhi_internal): New. * config/rs6000/rs6000-protos.h: Declare.